4257760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 11430720

約数和(自身を除く): 7172960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 89, 92, 104, 115, 130, 160, 178, 184, 208, 230, 260, 299, 356, 368, 416, 445, 460, 520, 598, 712, 736, 890, 920, 1040, 1157, 1196, 1424, 1495, 1780, 1840, 2047, 2080, 2314, 2392, 2848, 2990, 3560, 3680, 4094, 4628, 4784, 5785, 5980, 7120, 8188, 9256, 9568, 10235, 11570, 11960, 14240, 16376, 18512, 20470, 23140, 23920, 26611, 32752, 37024, 40940, 46280, 47840, 53222, 65504, 81880, 92560, 106444, 133055, 163760, 185120, 212888, 266110, 327520, 425776, 532220, 851552, 1064440, 2128880, 4257760]

約数ペア:

[(1, 4257760), (2, 2128880), (4, 1064440), (5, 851552), (8, 532220), (10, 425776), (13, 327520), (16, 266110), (20, 212888), (23, 185120), (26, 163760), (32, 133055), (40, 106444), (46, 92560), (52, 81880), (65, 65504), (80, 53222), (89, 47840), (92, 46280), (104, 40940), (115, 37024), (130, 32752), (160, 26611), (178, 23920), (184, 23140), (208, 20470), (230, 18512), (260, 16376), (299, 14240), (356, 11960), (368, 11570), (416, 10235), (445, 9568), (460, 9256), (520, 8188), (598, 7120), (712, 5980), (736, 5785), (890, 4784), (920, 4628), (1040, 4094), (1157, 3680), (1196, 3560), (1424, 2990), (1495, 2848), (1780, 2392), (1840, 2314), (2047, 2080)]